A practical safety routine for foundries and casting units: who checks what, and when

A ladle is relined on Saturday and dried, the crew believes, overnight. On Monday it goes to the furnace. Nobody checks the lining for damp patches because nobody's name is on that check. The first tap meets moisture, metal spits across the deck, and a ladle second needs treatment for burns. Safety posters were on every wall. A routine with names and times was not.

• Moisture and molten metal: damp ladles, wet moulds, wet scrap, tools not preheated, water near the pit.
• Charge contamination: sealed tubes, aerosol cans or closed containers hidden in scrap.
• Lifting: worn crane hooks and latches, slings and chains past their life, ladle trunnions and gearboxes that slip.
• Machines: die casting interlocks, light curtains and trim press two-hand controls bypassed or faulty.
• Dust, fume and noise: extraction hoods off or blocked at knockout, grinding and core making.
• Fire and burns: extinguishers missing, fire blankets and burn kits empty, no dry sand at the spill pit.

Before every pour: pre-pour card. Owner: pourer, countersigned by the shift lead.
Before every charge: scrap inspected for sealed items and moisture. Owner: charging helper and melter.
Every shift start: kit issue, extraction running, interlocks tested, toolbox talk. Owner: shift lead.
Every shift: crane hook, latch and pendant tested before first lift. Owner: crane operator.
Weekly: slings, chains and lifting tackle inspected and tagged. Owner: maintenance fitter.
Weekly: extinguishers, fire blankets, burn kits and eye-wash points checked. Owner: safety lead.
Monthly: ladle linings, trunnions and gearboxes inspected. Owner: maintenance lead with melter.
Monthly: molten metal spill drill on one shift, rotating. Owner: safety lead.
Monthly: near-miss and incident review with actions. Owner: plant head.

Many furnace accidents start in the scrap yard. Bought-in scrap can hide sealed shock absorbers, gas cylinder valves, aerosol cans or closed pipes that burst when they meet the bath. Turnings and borings may arrive oily or wet. Even in-house returns, gates and risers left out in the rain carry water to the furnace. The charging helper should sort and look at every bucket, set aside anything sealed, and keep damp material on a drying rack near the furnace. The melter refuses any bucket he has doubts about, and nobody argues with that refusal to save time.

The pre-pour card is the check that matters most, because it sits at the moment metal moves. It should take a minute to fill at the ladle, and keep the cards in a box the plant head can open any day.

Ladle number and lining age.
Ladle preheated and dry, no damp patches: yes / no.
Trunnion, gearbox and tilt mechanism working smoothly: yes / no.
Crane hook latch closed and pendant tested: yes / no.
Pour path clear, dry and free of loose items: yes / no.
Spill pit dry, with dry sand ready: yes / no.
Moulds weighted or clamped as listed: yes / no.
Crew in full kit: aprons, face shields, spats, gloves: yes / no.
Pourer signature. Shift lead signature. Time.

1. 1

   Give each check one name

   A person, not a department. If two people share a check, neither does it.

2. 2

   Verify by surprise

   Someone outside the crew, such as the safety officer, repeats a few checks each week without warning and compares results with the cards.

3. 3

   Drill the spill

   Once a month, on a different shift each time: who clears the area, where people stand, who brings dry sand, who calls first aid. Time it and discuss it.

4. 4

   Make near misses free to report

   A short form at the time office, no blame and no effect on pay. Read them out at the monthly review with what was done.

5. 5

   Act and tell

   Every failed check gets a fix and a date. Report back to the crew on the change, or reports will dry up.

Every person named on a check should be shown how to do it, by someone who does it well, before the routine starts. Crane operators need training on signals and slings. Pourers need to know how a damp lining looks and feels. Shift leads need practice running a toolbox talk that lasts five minutes and says something useful. New joiners should see the spill drill in their first week.

We set up routines, cards and drills with your crews through our safety and wellbeing practice. For die machines and holding furnaces, see safety in pressure die casting. Heavy pours raise the stakes further, as the steel foundry safety notes explain. Our free form for logging near misses is a simple first step. Other foundry people issues are covered on the casting industry hub. To discuss your floor, send us your details.